:root {
  --bg: #f6f5f1; --panel: #ffffff; --ink: #1d1d1b; --muted: #6b6a66; --line: #e3e1da;
  --accent: #0f6b5c; --ok: #1a7f37; --warn: #9a6700; --bad: #b42318; --chip: #efede6;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151514; --panel: #1d1d1b; --ink: #ecebe6; --muted: #9c9a93; --line: #34332f; --accent: #4fc2ab; --ok: #56d364; --warn: #e3b341; --bad: #ff7b72; --chip: #2a2a27; color-scheme: dark; }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; display: flex; flex-direction: column; background: var(--bg); color: var(--ink); font: 14px/1.5 -apple-system, "PingFang SC", "Segoe UI", system-ui, sans-serif; }

.bar { display: flex; gap: 12px; align-items: center; padding: 10px 14px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font: 600 15px/1 ui-monospace, "SF Mono", Menlo, monospace; color: var(--accent); white-space: nowrap; }
.address { flex: 1; display: flex; gap: 8px; min-width: 0; }
.address input { flex: 1; min-width: 0; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); font: 14px ui-monospace, "SF Mono", Menlo, monospace; }
.address input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.address button { padding: 8px 16px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; font-weight: 600; cursor: pointer; }

.identity { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; padding: 10px 14px; background: var(--panel); border-bottom: 1px solid var(--line); }
.id-name { font: 600 17px/1.3 ui-monospace, "SF Mono", Menlo, monospace; overflow-wrap: anywhere; }
.id-title { margin-left: 10px; font: 400 13px/1.3 -apple-system, "PingFang SC", system-ui, sans-serif; color: var(--muted); }
.id-sub { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; align-content: start; justify-content: flex-end; }
.badges li { padding: 3px 9px; border-radius: 999px; background: var(--chip); font-size: 12px; white-space: nowrap; }
.badges li.ok { color: var(--ok); } .badges li.warn { color: var(--warn); } .badges li.bad { color: var(--bad); }
.id-more { grid-column: 1 / -1; font-size: 12px; color: var(--muted); }
.id-more summary { cursor: pointer; width: max-content; }
.id-more dl { display: grid; grid-template-columns: max-content 1fr; gap: 3px 12px; margin: 6px 0 2px; }
.id-more dt { color: var(--muted); } .id-more dd { margin: 0; font-family: ui-monospace, "SF Mono", Menlo, monospace; overflow-wrap: anywhere; color: var(--ink); }
.id-more ul { margin: 0; padding-left: 16px; }

.stage { flex: 1; position: relative; min-height: 0; display: flex; }
.stage iframe { flex: 1; width: 100%; border: 0; background: #fff; }
.message { margin: auto; max-width: 560px; padding: 32px 24px; text-align: center; }
.message h1 { font-size: 20px; margin: 0 0 10px; }
.message p { color: var(--muted); margin: 6px 0; }
.message .hint { font-size: 13px; }
.message.bad h1 { color: var(--bad); } .message.warn h1 { color: var(--warn); }
.message code { font-family: ui-monospace, "SF Mono", Menlo, monospace; background: var(--chip); padding: 1px 5px; border-radius: 4px; }
.message .actions { margin-top: 14px; display: flex; gap: 8px; justify-content: center; }
.message button { padding: 7px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); cursor: pointer; }
.progress { width: 260px; height: 6px; margin: 14px auto 0; border-radius: 3px; background: var(--chip); overflow: hidden; }
.progress > div { height: 100%; width: 0; background: var(--accent); transition: width .15s; }

.foot { display: flex; justify-content: space-between; gap: 12px; padding: 6px 14px; border-top: 1px solid var(--line); background: var(--panel); color: var(--muted); font-size: 12px; }
.foot a { color: var(--accent); }

@media (max-width: 640px) {
  .identity { grid-template-columns: 1fr; } .badges { justify-content: flex-start; }
  .brand { display: none; }
}

.lang { padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--muted); cursor: pointer; white-space: nowrap; }
.update-bar { grid-column: 1 / -1; display: flex; gap: 10px; align-items: center; padding: 6px 10px; border-radius: 8px; background: var(--chip); color: var(--warn); font-size: 13px; }
.update-bar button { padding: 4px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); cursor: pointer; }